Home / 39,957.07-55,140.98-22,052.12

Finding the Fourth Proportional to 39,957.07, 55,140.98 and 22,052.12

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Solution

The fourth proportional to 39,957.07, 55,140.98 and 22,052.12 is: 30,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.07 : 55,140.98 = 22,052.12 : x
  2. Step 2: Convert to fraction form
    39,957.07/55,140.98 = 22,052.12/x
  3. Step 3: Cross multiply
    39,957.07x = 55,140.98 × 22,052.12
  4. Step 4: Simplify right side
    39,957.07x = 1,215,975,507.88
  5. Step 5: Solve for x
    x = 1,215,975,507.88/39,957.07
  6. Step 6: Final answer
    x = 30,432.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.